Update README.md

201abb38 · 이장원 · 2c7e41c5 · 201abb38
Commit 201abb38 authored 4 years ago by 이장원
--- a/README.md
+++ b/README.md
@@ -6,7 +6,10 @@

 ## printf

-`color`
+`1`
+``2``
+```3```
+````4````

 ### stdio.h